1. Fotokozani cholinga chavalavumu zipangizo kapena chipangizo
Dziwani momwe ma valve amagwirira ntchito: chikhalidwe cha sing'anga yoyenera, kuthamanga kwa ntchito, kutentha kwa ntchito ndi njira yolamulira.
2. Sankhani bwino mtundu wa valve
Kusankha koyenera kwa mtundu wa valavu ndikofunikira kuti wopanga amvetse bwino njira yonse yopangira ndi momwe amagwirira ntchito. Posankha mtundu wa valavu, wopanga ayenera kumvetsetsa kamangidwe kake ndi momwe ma valve amagwirira ntchito.
3. Dziwani kugwirizana kwa mapeto a valve
Pakati pa malumikizidwe opangidwa ndi ulusi, malumikizidwe a flange, ndi ma welded end, awiri oyambirira ndi omwe amagwiritsidwa ntchito kwambiri. Mavavu okhala ndi ulusi makamaka mavavu okhala ndi m'mimba mwake pansi pa 50mm. Ngati m'mimba mwake ndi waukulu kwambiri, kukhazikitsa ndi kusindikiza gawo logwirizanitsa lidzakhala lovuta kwambiri. Ma valve opangidwa ndi flanged ndi osavuta kuyika ndi kupasuka, koma ndi olemera komanso okwera mtengo kuposa ma valve opangidwa ndi ulusi, motero ndi oyenera kulumikizana ndi mapaipi amitundu yosiyanasiyana ndi zovuta. Malumikizidwe a welded ndi oyenera katundu wolemetsa ndipo ndi odalirika kuposa ma flanged. Komabe, ndizovuta kusokoneza ndikuyikanso valavu yolumikizidwa ndi kuwotcherera, kotero kuti kugwiritsidwa ntchito kwake kumangokhala nthawi zomwe nthawi zambiri zimatha kuyenda modalirika kwa nthawi yayitali, kapena komwe kugwiritsiridwa ntchito kuli koopsa komanso kutentha kwambiri.
4. Kusankhidwa kwa zinthu za valve
Posankha zinthu za chipolopolo cha valve, ziwalo zamkati ndi kusindikiza pamwamba, kuwonjezera pa kulingalira zakuthupi (kutentha, kuthamanga) ndi mankhwala (kuwononga) kwa sing'anga yogwira ntchito, ukhondo wa sing'anga (kapena popanda tinthu tating'onoting'ono) iyeneranso kugwidwa. Kuphatikiza apo, ndikofunikira kutchulanso malamulo oyenerera a boma ndi dipatimenti yogwiritsa ntchito. Kusankhidwa koyenera komanso koyenera kwa zida za valve kumatha kupeza moyo wabwino kwambiri wautumiki komanso magwiridwe antchito abwino kwambiri a valve. Kusankhidwa kwa ma valve a thupi ndi: kuponyedwa kwachitsulo-carbon zitsulo-zitsulo zosapanga dzimbiri, ndipo ndondomeko yosankha mphete yosindikizira ndi: rabara-copper-alloy steel-F4.
5. Zina
Kuonjezera apo, kuthamanga kwa kuthamanga ndi kuthamanga kwa madzi omwe akuyenda mu valve ayeneranso kutsimikiziridwa, ndipo valavu yoyenera iyenera kusankhidwa pogwiritsa ntchito deta yomwe ilipo (mongama valve product catalogs, zitsanzo zama valve, etc.).
Nthawi yotumiza: May-11-2022
